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以段家峡均质土坝扩建工程为例 ,探讨大坝扩建后其渗流计算方法。对不同库水位情况下的坝体稳定渗流、坝基渗流以及库水位骤降情况下的坝体非稳定渗流进行了计算。所提出的简化计算方法有较强的适用性 ,对土坝扩建工程的渗流计算有较好的参考价值。
Taking Dijiaxia Homogeneous Earth Dam Expansion Project as an Example, the calculation method of seepage after dam expansion is discussed. The steady seepage of dam body, seepage of dam foundation and unsteady seepage of dam body under the condition of different reservoir water level are analyzed. The proposed simplified calculation method has strong applicability and good reference value for seepage calculation of earth dam expansion project.